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| 低渗透油田氮气注入方案优化研究 | |
| 引用本文： | 吴晓明,韩秀玲. 低渗透油田氮气注入方案优化研究[J]. 科学技术与工程, 2011, 11(16) |
| 作者姓名： | 吴晓明 韩秀玲 |
| 作者单位： | 1. 中石化胜利油田井下作业公司二氧化碳项目部,东营,257077 2. 中石油勘探开发研究院,北京,100083 3. 中国石油辽河油田井下作业公司,盘锦,124107 4. 中国石化河南油田分公司井下作业处试油项目部,唐河,473401 |
| 摘 要： | 针对低渗透区块裂缝发育、层间串较严重，层内及层间储量动用不均衡等情况。选择氮气驱并进行了方案优化，主要是从5个方面进行了方案的优化，包括注入氮气量优化、氮气注入速度优化、氮气注入周期优化、汽水比优化、注氮气前置段塞优化等，优化结果如下：氮气和水交替注入周期为4个月、气水比为1∶2、注气速度6000m3/d、注水量70m3/d、试验设计注入纯氮气段塞0.13PV。现场实践证明，注气后试验区日油略有上升，含水略有下降，初步取得了较好的增产效果。 |
| 关 键 词： | 低渗透； 油井； 氮气注入； 方案优化； 现场试验 |
| 收稿时间： | 2011-03-05 |
| 修稿时间： | 2011-03-16 |
Optimization of Nitrogen Injection Program In Low Permeability Reservoir |
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| wuxiaoming and hanxiuling. Optimization of Nitrogen Injection Program In Low Permeability Reservoir[J]. Science Technology and Engineering, 2011, 11(16) | |
| Authors: | wuxiaoming and hanxiuling |
| Affiliation: | WU Xiao-ming,HAN Xiu-ling2,YAN Zhi3,LUO Xiao-jun4(Carbon dioxide Project Department of Shengli Oilfield Downhole Operation Company,SINOPEC1,Dongying 257077,P.R.China,Research Institute of Exploration and Development,PetroChina2,Beijing 100083,Liaohe Oilfield Downhole Operation Company3,Petro China,Panjin 124107,Dowmhole Project Department of Production Test of Henan Oilfield Company4,SINOPEC,Tanghe 473401,P.R.China) |
| Abstract: | Low permeability reservoir have many Fracture ,and serious channeling layer, uneven use of reserves in layer and layer. select nitrogen drive and optimization. Including the five aspects: optimization of nitrogen injection volume, optimization of nitrogen injection rate, optimization of nitrogen into the cycle, optimization of gas and water ratio, optimization of nitrogen pre-slug,etc. Optimization results are as follows: Alternating injection cycle for 4 months between the nitrogen and water, gas and water rate is 1:2, gas injection rate is 6000m3/d , water injection speed is 70m3/d, nitrogen slug is 0.13PV. Field practice, Increase daily oil production after gas injection, daily water production dropped, Effect of yield increase is better. |
| Keywords: | low permeability oil well nitrogen injection optimization field test |
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